Fritzgaertner's Flat
Celaenorrhinus fritzgaertneri (Bailey, 1880)
Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is brown; forewing has a white band. Underside of hindwing is mottled. Fringes are checkered.
Wing Span: 1 5/8 - 1 15/16 inches (4.2 - 5 cm).
Life History: Adults fly at dusk and sometimes at dawn. They rest in caves, under highway bridges, and under ledges and leaves during the day.
Flight: February-September in South Texas; through October in Mexico.
Caterpillar Hosts: Not reported.
Adult Food: Flower nectar including that of papaya.
Habitat: Subtropical.
Range: Costa Rica north through Mexico. A periodic stray to South Texas and rarely to southern Arizona.
Conservation: Not necessary for a rare stray.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
Verified Sightings
Displaying 1 - 12 of 12 verified sightings

Observation date: Feb 22, 2022
Submitted by: David F Smith
Region: Sonora, Mexico
Verified by: stevecary
Verified date: Dec 12, 2022

Observation date: Oct 20, 2004
Submitted by: hydapse
Region: Hidalgo County, Texas, United States
Verified by: stomlins701
Verified date: Jul 31, 2018

Observation date: unknown
Submitted by: paulopler (Paul Opler)
Region: United States
Verified by: BAMONA
Verified date: Sep 06, 2010

Observation date: Nov 25, 2003
Submitted by: legacy.reporter (North American Butterfly Association (NABA) of South Texas))
Region: Cameron County, Texas, United States
Verified by: legacy.verifier (North American Butterfly Association (NABA) of South Texas))
Verified date: Jan 29, 2007

Observation date: Oct 22, 2004
Submitted by: legacy.reporter (North American Butterfly Association (NABA) of South Texas))
Region: Hidalgo County, Texas, United States
Verified by: legacy.verifier (North American Butterfly Association (NABA) of South Texas))
Verified date: Jan 29, 2007

Observation date: unknown
Submitted by: legacy.reporter
Region: Sinaloa, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Cochise County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Tamaulipas, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Pima County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Sonora, Mexico
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Bexar County, Texas, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004

Observation date: unknown
Submitted by: legacy.reporter
Region: Santa Cruz County, Arizona, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004